Abstract
Tetrapeptides based on amino acids involved in the catalytic site of RNase T1 were synthesized. These peptides interact with a 96-mer fragment of HIV-1 RNA, which results in phosphodiester bonds splitting. The efficacy of RNA cleavage depends on the mutual arrangement of oppositely charged amino acids (Glu and Arg or Lys) in a peptide. The introduction of an additional cationic fragment (based on bis-quaternary salts of 1,4-diazabicyclooctane) into an RNase mimetic leads to a considerable increase in the efficiency of RNA depolymerization.
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For Part 5, see Ref. 1.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2596–2604, November, 2005.
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Koroleva, L.S., Donina, A.A., Tamkovich, N.V. et al. Artificial ribonucleases 6. Ribonuclease activity of tetrapeptides based on amino acids involved in the catalytic site of RNase T1. Russ Chem Bull 54, 2682–2691 (2005). https://doi.org/10.1007/s11172-006-0176-4
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DOI: https://doi.org/10.1007/s11172-006-0176-4